Datasheet

Office Communications Server 2007 R2 Product Overview – v 2009.1.30 76
Licensing and obtaining the software
Organizations can acquire these licenses through Open Licensing, Select Licensing, and Enterprise
Agreements.
Office Communications Server 2007 R2 will follow the Server/Client Access License (CAL) model. Under
this model, an Office Communications Server 2007 R2 Server license is required for each operating
system environment running Office Communications Server 2007 R2 server. A CAL is required for each
user or device accessing the Office Communications Server 2007 R2 server.
Organizations can acquire Office Communications Server 2007 R2 as a standalone server and Client
Access licenses (CAL) or they can purchase the CALs as part of the Microsoft Enterprise CAL (ECAL) Suite.
Microsoft Office Communicator 2007 R2 is the client software used to interact with the Office
Communications Server 2007 R2 Server and is licensed separately as a standalone license, or available
via Office 2007 Pro Plus and Office 2007 Enterprise.
Office Communications Server 2007 R2 offerings
Server offerings
Office Communications Server 2007 R2 Standard Edition
Standard Edition requires that primary server components, as well as the database for storing user and
conference information, be configured on a single computer. Standard Edition is recommended for
organizations that do not require higher availability through clustering.
Office Communications Server 2007 R2 Enterprise Edition
Enterprise Edition enables separation of server functionality and data storage to achieve higher capacity
and availability. Enterprise Edition is recommended for organizations that require higher availability
through clustering.
Client software
Office Communicator 2007 R2 is the client software used to interact with the Office Communications
Server 2007 R2 Server. Office Communicator 2007 R2 is available as both a stand-alone product and is
included in the following Office System offerings: Microsoft Office Pro Plus 2007 and Microsoft Office
Enterprise 2007.
If customers had Software Assurance on Office Live Communications Server 2005 CALs and Office Live
Communications 2005 Server at the time of the release of Office Communications Server 2007 CALs on
the Volume Licensing pricelist (September 1
st
2008) and have maintained active Office Communications
Server 2007 Standard CAL SA through the release of Office Communicator 2007 R2, they will maintain
their rights to install Office Communicator 2007 R2 without purchasing Office Pro Plus 2007, Office
Enterprise 2007, or the Office Communicator 2007 R2 stand-alone license.